197 citations
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astro-ph.CO2023
Galaxy clusters morphology with Zernike polynomials: the first application on Compton parameter maps
Valentina Capalbo, Marco De Petris, Weiguang Cui +3
The study of the morphology of 2D projected maps of galaxy clusters is a suitable approach to infer, from real data, the dynamical state of those systems. We recently developed a n…
astro-ph.CO2022
Dark radiation constraints on light primordial black holes
Jérémy Auffinger, Alexandre Arbey, Pearl Sandick +2
Light black holes could have formed in the very early universe through the collapse of large primordial density fluctuations. These primordial black holes (PBHs), if light enough,…